Gram Weight: 2.6 grams. The item "Antique 1920s 1ct Old Euro Diamond Blue Sapphire 18k White Gold Filigree Ring" is in sale since Monday, October 31, 2016. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Rings\Diamond". The seller is "oldtreasures333" and is located in American Fork, Utah. This item can be shipped worldwide.